2006 Cadillac STS vs. 2009 Volvo S80
To start off, 2009 Volvo S80 is newer by 3 year(s). Which means there will be less support and parts availability for 2006 Cadillac STS. In addition, the cost of maintenance, including insurance, on 2006 Cadillac STS would be higher. At 4,565 cc (8 cylinders), 2006 Cadillac STS is equipped with a bigger engine. In terms of performance, 2006 Cadillac STS (321 HP @ 6400 RPM) has 10 more horse power than 2009 Volvo S80. (311 HP @ 5950 RPM). In normal driving conditions, 2006 Cadillac STS should accelerate faster than 2009 Volvo S80.
Because 2009 Volvo S80 is four wheel drive (4WD), it will have significant more traction and grip than 2006 Cadillac STS. In wet, icy, snow, or gravel driving conditions, 2009 Volvo S80 will offer significantly more control. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2009 Volvo S80 (441 Nm @ 3950 RPM) has 14 more torque (in Nm) than 2006 Cadillac STS. (427 Nm @ 4400 RPM). This means 2009 Volvo S80 will have an easier job in driving up hills or pulling heavy equipment than 2006 Cadillac STS.
Compare all specifications:
| 2006 Cadillac STS | 2009 Volvo S80 | |
| Make | Cadillac | Volvo |
| Model | STS | S80 |
| Year Released | 2006 | 2009 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4565 cc | 4412 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 321 HP | 311 HP |
| Engine RPM | 6400 RPM | 5950 RPM |
| Torque | 427 Nm | 441 Nm |
| Torque RPM | 4400 RPM | 3950 RPM |
| Engine Compression Ratio | 10.5:1 | 18.3:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Length | 4990 mm | 4860 mm |
| Vehicle Width | 1850 mm | 1870 mm |
| Vehicle Height | 1470 mm | 1500 mm |
| Wheelbase Size | 2960 mm | 2840 mm |
| Fuel Consumption | 9.1 L/100km | 10.7 L/100km |
| Fuel Consumption City | 13.8 L/100km | 15.7 L/100km |
| Fuel Consumption Overall | 14.5 L/100km | 13.1 L/100km |
| Fuel Tank Capacity | 66 L | 70 L |
